30550755 has 16 divisors (see below), whose sum is σ = 48975264. Its totient is φ = 16262400.

The previous prime is 30550733. The next prime is 30550757. The reversal of 30550755 is 55705503.

It is a de Polignac number, because none of the positive numbers 2^k-30550755 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30550757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (3060954).

Almost surely, 2^30550755 is an apocalyptic number.

30550755 is a deficient number, since it is larger than the sum of its proper divisors (18424509).

30550755 is a wasteful number, since it uses less digits than its factorization.

30550755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 30550755 is about 5527.2737402810. The cubic root of 30550755 is about 312.6132027208.

The spelling of 30550755 in words is "thirty million, five hundred fifty thousand, seven hundred fifty-five".